Sampling methods There are 4 basic sampling methods we have learned do far: simple random sampling‚ stratified sampling‚ clusters and systematic sampling. When we do experiments we need to use the right sampling method in order to make the experiment useful and successful. First‚ simple random sampling; it gives a sample selected in a way that gives every different sample of size n an equal chance of being selected. Second‚ stratified sampling; it divides a population into subgroups and then takes
Premium Statistical hypothesis testing Null hypothesis Sample size
University of Bristol - School of Economics‚ Finance and Management QUANTITATIVE METHODS FOR FINANCE AND INVESTMENT (EFIMM005) Review Questions Question 1: Concepts a. Define a stochastic process. Give an example in Finance of a quantity that can be modelled as a stochastic process. b. Define a stationary stochastic process. c. Consider a stochastic process {Yt ‚ t = 1‚ ..‚ T }. Define the partial autocorrelation function (pacf) associated to this process. d. Explain the difference between estimator
Premium Time series analysis Variance
Final Assignment Take-Home Exam – Example Solutions QUANTITATIVE ANALYSIS AND BUSINESS DECISION MAKING Question 1 – 5 Points Leila took a standardized test and was told that her score was in the 89th percentile. Explain clearly and in only one sentence what this means. Notes: Percentiles are a way of describing the position of a particular score within a set of scores As per the question‚ I was looking for one simple sentence to explain the meaning of the statement Ideal Answer: If Leila’s
Premium Life expectancy Demography Human Development Index
Quantitative Analysis of Soda Ash by Double Indicator Method Results and Discussion The experiment focuses in the use of double indicator titration in quantitative analysis of soda ash sample. Titration refers to the process of measuring the volume of titrant required to reach the equivalnece point. This method of analysis‚ is based on the chemical reaction aA + bB → products (1) where a is the molecules of the unknown substances to be analyzed or the analyte. Analyte reacts with b molecules
Premium PH Titration PH indicator
person selected is a female who did attend college? = 0.80 * 0.70 = 0.56 (56%) 3. What is the probability that the person selected is a male who did NOT attend college? = 0.10 * 0.40 = 0.04 (4%) 4. What is the probability that the person selected is a male who did NOT attend college? = 0.10 * 0.40 = 0.04 (4%) Exercise 2 A group of employees of Unique Services will be surveyed about a new pension plan. In-depth interviews with each employee selected in the sample will be conducted. The employees
Premium Male Female Sex
Assess the position that in sociological research quantitative research methods are superior to qualitative research methods. Sociologists have a number of different types of research that can be used to acquire data. They can be traced back to Max Weber (1864) regarded as the founder of interpretivism‚ was opposed to the idea that human behavior is exactly quantifiable. Human behavior is based on the idea that social interaction is surrounded by consciousness action and unpredictability (emotions
Premium Sociology Quantitative research Scientific method
ASSIGNMENT QUESTION: ‘‘A Trend in Contemporary Time is the Increasing Need to Comprehend Basic Quantitative Methodology and its Language as a Tool for Decision Analysis’’ Prof J.A. Fabayo. Do You Agree? ANSWER: Background A person managing a production unit for instance‚ a factory‚ a farm or even a kitchen has to coordinate men‚ machines and money against several constraints like time‚ cost and space in order to achieve the organization’s objectives in an efficient and effective manner
Premium Scientific method Decision making Business
UNIT ASSIGNMENT | Unit Number | Unit Name | Credit value | 4 | Business Communication | 10 | Name of assignment | Investigation of Business Communication | Name of Assessor | Raghbir McGinley | Start date | Completion date | Duration of assignment | Part 1 04.02.13Part 2 11.03.13 | 25.02.1325.03.13 | 3 weeks3 weeks | Feedback date (A grade and actions for improvement will be given and recorded at this point. You can upgrade your work at the unit upgrade date‚ as
Premium Ethics Morality Information
Statistical discrimination is a theory of why minority groups are paid less when hired by a company. The theory explains that managers who are one type are more ethnically adjusted to the applicants of their own type than to other applicants of another type. The theory is often based on employer information such as costs‚ vagueness‚ and labor market segmentation. The theory believes that there are differences in average‚ productivity‚ skills‚ and experiences of different groups of workers. In
Premium Discrimination Employment Gender
References: ources Cooper‚ D.‚ & Schindler‚ P. (2011). Business Research Methods. New York: McGraw-Hill/Irwin. Dictionary. (2013). Productivity definition. Retrieved January 20‚ 2013 from: http://dictionary.reference.com/browse/productivity May‚ K. (2013). What are the causes of low levels of productivity? Retrieved January
Premium Sales Research Scientific method